Abstract
For a long time, lattice QCD was unable to address the x-dependence of partonic distributions, direct access to which is impossible in Euclidean spacetime. Recent years have brought a breakthrough for such calculations when it was realized that partonic light-cone correlations can be accessed through spatial correlations computable on the lattice. Appropriately devised observables can be factorized into physical PDFs via a perturbative procedure called matching, analogous to the standard factorization of experimental cross sections. In this short review, aimed at a broader high-energy and nuclear physics community, we discuss the recent highlights of this research program. Key concepts are outlined, followed by a case study illustrating the typical stage of current lattice extractions and by a brief review of the most recent explorations. We finalize with a number of messages for the prospects of lattice determinations of partonic structure.
Reference78 articles.
1. Constantinou M., PoS LATTICE2014, 001 (2015), 1411.0078
2. Liu K.F., Dong S.J., Phys. Rev. Lett. 72, 1790 (1994), hep-ph/9306299
3. Detmold W., Lin C.J.D., Phys. Rev. D73, 014501 (2006), hep-lat/0507007
4. Braun V., Mueller D., Eur. Phys. J. C55, 349 (2008), 0709.1348
5. Ji X., Phys. Rev. Lett. 110, 262002 (2013), 1305.1539
Cited by
7 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献